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staging: iio: ad2s1200: Add blank lines

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Add blank lines to improve readability.

Signed-off-by: David Veenstra <davidjulianveenstra@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Veenstra 2018-04-20 21:29:52 +02:00 committed by Jonathan Cameron
parent 0598225542
commit d99066e60c
1 changed files with 7 additions and 0 deletions
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7
drivers/staging/iio/resolver/ad2s1200.c
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@ -9,6 +9,7 @@
* published by the Free Software Foundation. * published by the Free Software Foundation.
* *
*/ */
#include <linux/bitops.h> #include <linux/bitops.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/device.h> #include <linux/device.h>
@ -52,10 +53,12 @@ static int ad2s1200_read_raw(struct iio_dev *indio_dev,
mutex_lock(&st->lock); mutex_lock(&st->lock);
gpio_set_value(st->sample, 0); gpio_set_value(st->sample, 0);
/* delay (6 * AD2S1200_TSCLK + 20) nano seconds */ /* delay (6 * AD2S1200_TSCLK + 20) nano seconds */
udelay(1); udelay(1);
gpio_set_value(st->sample, 1); gpio_set_value(st->sample, 1);
gpio_set_value(st->rdvel, !!(chan->type == IIO_ANGL)); gpio_set_value(st->rdvel, !!(chan->type == IIO_ANGL));
ret = spi_read(st->sdev, st->rx, 2); ret = spi_read(st->sdev, st->rx, 2);
if (ret < 0) { if (ret < 0) {
mutex_unlock(&st->lock); mutex_unlock(&st->lock);
@ -75,9 +78,11 @@ static int ad2s1200_read_raw(struct iio_dev *indio_dev,
mutex_unlock(&st->lock); mutex_unlock(&st->lock);
return -EINVAL; return -EINVAL;
} }
/* delay (2 * AD2S1200_TSCLK + 20) ns for sample pulse */ /* delay (2 * AD2S1200_TSCLK + 20) ns for sample pulse */
udelay(1); udelay(1);
mutex_unlock(&st->lock); mutex_unlock(&st->lock);
return IIO_VAL_INT; return IIO_VAL_INT;
} }
@ -115,9 +120,11 @@ static int ad2s1200_probe(struct spi_device *spi)
return ret; return ret;
} }
} }
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
if (!indio_dev) if (!indio_dev)
return -ENOMEM; return -ENOMEM;
spi_set_drvdata(spi, indio_dev); spi_set_drvdata(spi, indio_dev);
st = iio_priv(indio_dev); st = iio_priv(indio_dev);
mutex_init(&st->lock); mutex_init(&st->lock);